header {
  box-sizing: border-box;
  height: 0.8rem;
  background: #fff;
  box-shadow: 0 0.1rem 0.5rem 0.05rem rgba(10, 10, 10, 0.1);
}

header .nav-box {
  padding-left: 1.35rem;
  height: 100%;
}

header #logo {
  width: 1.47rem;
  height: 100%;
}

header #logo a {
  display: inline-block;
  width: 100%;
  height: 100%;
}

header #logo img {
  width: 100%;
  height: 100%;
}

header .nav {
  margin-left: 1.12rem;
  position: relative;
  line-height: 0.8rem;
  font-size: 0.2rem;
}

header .nav .nav-item {
  position: relative;
  color: #333;
  cursor: pointer;
  padding-bottom: 0.1rem;
  padding-top: 0.1rem;
  margin-right: 0.56rem;
}

header .nav .nav-item:hover .nav-span {
  color: #DB0032;
}

header .nav .nav-item::before {
  content: "";
  width: 0;
  height: 100%;
  position: absolute;
  left: 50%;
  top: 0;
  border-bottom: 2px solid #DB0032;
  transition: all 0.1s linear;
  -webkit-transition: all 0.1s linear;
  -moz-transition: all 0.1s linear;
  -ms-transition: all 0.1s linear;
  -o-transition: all 0.1s linear;
}

header .nav .nav-item:hover:before {
  left: 0;
  width: 100%;
}

header .nav .active {
  font-weight: bold;
  border-bottom: 2px solid #DB0032;
}

header .nav .active .nav-span {
  color: #DB0032;
}

header .nav-item-wrap {
  box-sizing: border-box;
  padding: 0.1rem 0 0.4rem;
  position: relative;
}

header .nav-item-wrap:hover .nav-list {
  display: block;
}

header .nav-item-wrap .nav-list {
  box-sizing: border-box;
  display: none;
  position: absolute;
  left: -0.16rem;
  width: 1.2rem;
  background: #fff;
  padding-left: 0.16rem;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}

header .nav-item-wrap .nav-list .nav-list-dynamic {
  bottom: -1.2rem;
  padding-left: 0 !important;
}

header .nav-item-wrap .nav-list .nav-li {
  cursor: pointer;
  height: 0.4rem;
  box-sizing: border-box;
  text-align: left;
  line-height: 0.4rem;
  font-size: 0.16rem;
}

header .nav-item-wrap .nav-list .nav-li a {
  color: #333;
  display: inline-block;
  width: 100%;
  height: 100%;
}

header .nav-item-wrap .nav-list .nav-li:hover a {
  color: #DB0032;
}

header .nav-item-wrap .nav-list2 {
  padding-left: 0 !important;
}

header .nav-item-wrap .nav-list-prod .nav-li {
  cursor: pointer;
}

header .nav-item-wrap .nav-list-prod .nav-li:hover {
  color: #DB0032;
}

header .nav-item-wrap2 {
  padding: 0.1rem 0 0.3rem;
}

header .nav-item-wrap2 .nav-list2 .nav-li {
  padding: 0;
  text-align: center;
}
